Home / 8,075.79-12,111.66-5,728.95

Finding the Fourth Proportional to 8,075.79, 12,111.66 and 5,728.95

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Solution

The fourth proportional to 8,075.79, 12,111.66 and 5,728.95 is: 8,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.79 : 12,111.66 = 5,728.95 : x
  2. Step 2: Convert to fraction form
    8,075.79/12,111.66 = 5,728.95/x
  3. Step 3: Cross multiply
    8,075.79x = 12,111.66 × 5,728.95
  4. Step 4: Simplify right side
    8,075.79x = 69,387,094.56
  5. Step 5: Solve for x
    x = 69,387,094.56/8,075.79
  6. Step 6: Final answer
    x = 8,591.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.